Script to generate openshift config for the given node

cluster/add_node.sh

@@ -0,0 +1,73 @@
+#!/bin/bash
+
+if [[ "${CONFIG_ROOT}" = "/" ]]; then
+  CONFIG_ROOT=""
+fi
+
+DEFAULT_NETWORK_PLUGIN=cni
+DEFAULT_SERVER_CONFIG_DIR=${CONFIG_ROOT}/openshift.local.config
+DEFAULT_VOLUMES_DIR=/var/lib/openshift.local.volumes
+
+NETWORK_PLUGIN="${NETWORK_PLUGIN:-${DEFAULT_NETWORK_PLUGIN}}"
+SERVER_CONFIG_DIR="${SERVER_CONFIG_DIR:-${DEFAULT_SERVER_CONFIG_DIR}}"
+VOLUMES_DIR="${VOLUMES_DIR:-${DEFAULT_VOLUMES_DIR}}"
+
+function usage() {
+    echo "Usage: $0 [options]
+    -m  Master IP (required)
+    -n  Node IP (required)
+    -i  Node name (required)
+    -c  Master certificate directory (required)
+
+ The following environment variables are honored:
+  - NETWORK_PLUGIN: Network plugin name. Default: ${DEFAULT_NETWORK_PLUGIN}
+  - SERVER_CONFIG_DIR: Configuration directory. Default: ${DEFAULT_SERVER_CONFIG_DIR}
+  - VOLUMES_DIR: Volumes directory. Default: ${DEFAULT_VOLUMES_DIR}
+  "
+}
+
+MASTER_IP=
+NODE_IP=
+NODE_NAME=
+CERT_DIR=
+while getopts "m:n:i:c:" opt; do
+    case $opt in
+        m)
+            MASTER_IP="${OPTARG}"
+            ;;
+        n)
+            NODE_IP="${OPTARG}"
+            ;;
+        i)
+            NODE_NAME="${OPTARG}"
+            ;;
+        c)
+            CERT_DIR="${OPTARG}"
+            ;;
+        *)
+            usage
+            exit 1
+    esac
+done
+
+if [ ! "${MASTER_IP}" ] || [ ! "${NODE_IP}" ] || [ ! "${NODE_NAME}" ] || [ ! "${CERT_DIR}" ]; then
+    usage
+    exit 1
+fi
+
+pushd "${CONFIG_ROOT}" > /dev/null
+
+openshift admin create-node-config \
+      --node-dir="${SERVER_CONFIG_DIR}/${NODE_NAME}" \
+      --node="${NODE_NAME}" \
+      --hostnames="${NODE_NAME},${NODE_IP}" \
+      --master="https://${MASTER_IP}:8443" \
+      --network-plugin="${NETWORK_PLUGIN}" \
+      --node-client-certificate-authority="${CERT_DIR}/ca.crt" \
+      --certificate-authority="${CERT_DIR}/ca.crt" \
+      --signer-cert="${CERT_DIR}/ca.crt" \
+      --signer-key="${CERT_DIR}/ca.key" \
+      --signer-serial="${CERT_DIR}/ca.serial.txt" \
+      --volume-dir="${VOLUMES_DIR}"
+
+popd > /dev/null